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Abstract <p>The article considers the issue of protecting substation equipment and overhead lines from high-frequency lightning surges using a device based on a nanocrystalline tape made of an amorphizing ferromagnetic alloy. The object of protection is a substation that uses a cable insert between the overhead line and the substation input. A distinctive feature is the fact that the 35-kV overhead line is made on pores for 110-kV overhead lines. A high danger of surges is shown with such a configuration of the overhead line that includes a cable insert. A method for protecting against high-frequency surges is proposed using a frequency-dependent device operating on the use of an anomalous skin effect.</p>

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Analysis of Efficiency and Characteristics of a Frequency-Dependent Device Based on Nanocrystalline Ferromagnetic Material

  • 期刊论文

  • 发表日期：

    2025年4月1日

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  • S. M. Korobeynikov,
  • O. O. Emelyanova,
  • V. A. Loman,
  • A. V. Ridel’,
  • V. E. Shevchenko

摘要

Abstract

The article considers the issue of protecting substation equipment and overhead lines from high-frequency lightning surges using a device based on a nanocrystalline tape made of an amorphizing ferromagnetic alloy. The object of protection is a substation that uses a cable insert between the overhead line and the substation input. A distinctive feature is the fact that the 35-kV overhead line is made on pores for 110-kV overhead lines. A high danger of surges is shown with such a configuration of the overhead line that includes a cable insert. A method for protecting against high-frequency surges is proposed using a frequency-dependent device operating on the use of an anomalous skin effect.